Finding the Fourth Proportional to 707,432.10, 1,058,815.35 and 497,480.10
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Solution
The fourth proportional to 707,432.10, 1,058,815.35 and 497,480.10 is: 744,579.68
Step by Step Solution
- Step 1: Write the proportion equation
707,432.10 : 1,058,815.35 = 497,480.10 : x - Step 2: Convert to fraction form
707,432.10/1,058,815.35 = 497,480.10/x - Step 3: Cross multiply
707,432.10x = 1,058,815.35 × 497,480.10 - Step 4: Simplify right side
707,432.10x = 526,739,566,199.54 - Step 5: Solve for x
x = 526,739,566,199.54/707,432.10 - Step 6: Final answer
x = 744,579.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.